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30509130802080 = 2535761179831587
BaseRepresentation
bin1101110111111011101011…
…11001110110001110100000
311000000122101210010021110110
412323331311321312032200
512444330144441131310
6144515411243131320
76266132462661030
oct673756571661640
9130018353107413
1030509130802080
1197a2938a6a277
123508a5a213b40
131403cca176b98
147769151138c0
1537d92c324d20
hex1bbf75e763a0

30509130802080 has 384 divisors, whose sum is σ = 112257195079680. Its totient is φ = 6820867952640.

The previous prime is 30509130802069. The next prime is 30509130802093. The reversal of 30509130802080 is 8020803190503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36272047 + ... + 37103633.

It is an arithmetic number, because the mean of its divisors is an integer number (292336445520).

Almost surely, 230509130802080 is an apocalyptic number.

30509130802080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30509130802080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56128597539840).

30509130802080 is an abundant number, since it is smaller than the sum of its proper divisors (81748064277600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30509130802080 is a wasteful number, since it uses less digits than its factorization.

30509130802080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831852 (or 831844 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

Adding to 30509130802080 its reverse (8020803190503), we get a palindrome (38529933992583).

The spelling of 30509130802080 in words is "thirty trillion, five hundred nine billion, one hundred thirty million, eight hundred two thousand, eighty".